
class PushMessageDelay:
    MID = 'mid'
    TO = 'to'
    FROM = 'from'
    CMD = 'cmd'
    SUB_CMD = 'sub_cmd'
    DATA = 'data'
    TIME_EXP = 'time_exp'
    TIME_CREATE = 'time_create'
    TIME_BEGIN = 'time_begin'
    STATUS = 'status'
    KEY = 'key'
    DATA_FLAG = 'data_flag'
    DESC_ID = 'desc_id'
